Amazon.com: Glixal ATKS-041 High Performance Racing Variator Kit with 6.5 gram Roller Weights for Chinese Scooter Moped ATV 4-Stroke GY6 50cc 80cc 100cc 139QMB 139QMA Engine Front Clutch : Automotive
Amazon.com: X-PRO 50cc 4-stroke GY6 Scooter Engine Auto w/CVT Transmission, Electric/Kick starter for 50cc GY6 Scooters : Automotive
Amazon.com: MYK High-Performance Racing Variator Kit for Chinese Scooter Moped ATV 4-Stroke GY6 50cc 80cc 100cc 139QMB 139QMA Engine Front Clutch : Automotive